Welcome to the support page of Huahe Heavy Industry Co., LTD. 's official website, here are three main contents. First, on the far left, we provide free resources, you can browse online or directly download our sample booklet electronic PDF file. Second, in the middle are answers to frequently asked questions about the product. Finally, on the far right is a description of our warranty period. If you still have questions about a product after reading, you can contact us directly by email or send a form inquiry or online consultation.